/**
 * @author : Anh Nguyen <duyanhnguyen@vccorp.vn>
 */

$(document).ready(function() {
    $("#upTop").click(function() {
        $("html").animate({
            scrollTop : $("body").position().top
        });
        return false;
    });
    
    $(".changeLang").live('click', function() {
        var _id = $(this).attr('id');
        var _lang = _id.replace('changeLang_','');
        var _thisLocation = window.location.href;
        location.href = base_url + 'home/lang/' + _lang + '?direct=' + UrlEncode.encode(_thisLocation);
        return false;
    });
    
    if($(".tooltip_image").length != 0) {
        $(".tooltip_image").tooltip({
            track : true,
            showURL : false, 
            bodyHandler : function() {
                var imageSrc = $(this).children().attr('src');
                return $("<img/>").attr('src', imageSrc);
            }
        });
    }
});

/* Url Encode */
var UrlEncode = {
 
    // public method for url encoding
    encode : function (string) {
        return escape(this._utf8_encode(string));
    },
 
    // public method for url decoding
    decode : function (string) {
        return this._utf8_decode(unescape(string));
    },
 
    // private method for UTF-8 encoding
    _utf8_encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";
 
        for (var n = 0; n < string.length; n++) {
 
            var c = string.charCodeAt(n);
 
            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }
 
        }
 
        return utftext;
    },
 
    // private method for UTF-8 decoding
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;
 
        while ( i < utftext.length ) {
 
            c = utftext.charCodeAt(i);
 
            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }
 
        }
        return string;
    }
};


